chore: fix playground build (#26)

Author: dschewchenko

playground/vue/package.json

@@ -10,6 +10,7 @@
   },
   "dependencies": {
     "@tailwindcss/vite": "^4.1.11",
+    "highlight.js": "^11.11.1",
     "permask": "file:../../",
     "tailwindcss": "^4.1.11",
     "vue": "^3.5.17"